diff options
Diffstat (limited to 'system/database/drivers')
23 files changed, 154 insertions, 312 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index a3d0287f5..01d0ee39e 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -45,10 +45,6 @@ class CI_DB_cubrid_driver extends CI_DB { // The character used for escaping - no need in CUBRID protected $_escape_char = '`'; - // clause and character used for LIKE escape sequences - not used in CUBRID - protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; - protected $_random_keyword = ' RAND()'; // database specific random keyword // CUBRID-specific properties @@ -72,6 +68,8 @@ class CI_DB_cubrid_driver extends CI_DB { } } + // -------------------------------------------------------------------- + /** * Non-persistent database connection * @@ -431,6 +429,26 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/ibase/ibase_driver.php b/system/database/drivers/ibase/ibase_driver.php index c9027670d..ab1d1b88d 100644 --- a/system/database/drivers/ibase/ibase_driver.php +++ b/system/database/drivers/ibase/ibase_driver.php @@ -45,10 +45,6 @@ class CI_DB_ibase_driver extends CI_DB { // The character used to escape with protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' Random()'; // database specific random keyword // Keeps track of the resource for the current transaction @@ -306,22 +302,6 @@ class CI_DB_ibase_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This public function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 1714704a8..a62ea94b3 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -45,10 +45,6 @@ class CI_DB_mssql_driver extends CI_DB { // The character used for escaping protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' NEWID()'; // MSSQL-specific properties @@ -366,22 +362,6 @@ class CI_DB_mssql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 29db90408..7262591ee 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -45,10 +45,6 @@ class CI_DB_mysql_driver extends CI_DB { // The character used for escaping protected $_escape_char = '`'; - // clause and character used for LIKE escape sequences - not used in MySQL - protected $_like_escape_str = ''; - protected $_like_escape_chr = '\\'; - protected $_random_keyword = ' RAND()'; // database specific random keyword /** @@ -83,7 +79,14 @@ class CI_DB_mysql_driver extends CI_DB { */ public function db_connect() { - return @mysql_connect($this->hostname, $this->username, $this->password, TRUE); + if ($this->compress === TRUE) + { + return @mysql_connect($this->hostname, $this->username, $this->password, TRUE, MYSQL_CLIENT_COMPRESS); + } + else + { + return @mysql_connect($this->hostname, $this->username, $this->password, TRUE); + } } // -------------------------------------------------------------------- @@ -95,7 +98,14 @@ class CI_DB_mysql_driver extends CI_DB { */ public function db_pconnect() { - return @mysql_pconnect($this->hostname, $this->username, $this->password); + if ($this->compress === TRUE) + { + return @mysql_pconnect($this->hostname, $this->username, $this->password, MYSQL_CLIENT_COMPRESS); + } + else + { + return @mysql_pconnect($this->hostname, $this->username, $this->password); + } } // -------------------------------------------------------------------- @@ -455,6 +465,26 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index be61aab20..b5a1e26ed 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -45,10 +45,6 @@ class CI_DB_mysqli_driver extends CI_DB { // The character used for escaping protected $_escape_char = '`'; - // clause and character used for LIKE escape sequences - not used in MySQL - protected $_like_escape_str = ''; - protected $_like_escape_chr = '\\'; - protected $_random_keyword = ' RAND()'; // database specific random keyword /** @@ -65,6 +61,17 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function db_connect() { + // Use MySQL client compression? + if ($this->compress === TRUE) + { + $port = empty($this->port) ? NULL : $this->port; + + $mysqli = new mysqli(); + @$mysqli->real_connect($this->hostname, $this->username, $this->password, $this->database, $port, NULL, MYSQLI_CLIENT_COMPRESS); + + return $mysqli; + } + return empty($this->port) ? @new mysqli($this->hostname, $this->username, $this->password, $this->database) : @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port); @@ -85,6 +92,17 @@ class CI_DB_mysqli_driver extends CI_DB { return $this->db_connect(); } + // Use MySQL client compression? + if ($this->compress === TRUE) + { + $port = empty($this->port) ? NULL : $this->port; + + $mysqli = mysqli_init(); + $mysqli->real_connect('p:'.$this->hostname, $this->username, $this->password, $this->database, $port, NULL, MYSQLI_CLIENT_COMPRESS); + + return $mysqli; + } + return empty($this->port) ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database) : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port); @@ -400,6 +418,14 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function error() { + if ( ! empty($this->conn_id->connect_errno)) + { + return array( + 'code' => $this->conn_id->connect_errno, + 'message' => is_php('5.2.9') ? $this->conn_id->connect_error : mysqli_connect_error() + ); + } + return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error); } @@ -449,6 +475,26 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * * @return void diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 691247fee..72cbce5c1 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -54,10 +54,6 @@ class CI_DB_oci8_driver extends CI_DB { // The character used for excaping protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is @@ -547,22 +543,6 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Insert_batch statement * * Generates a platform-specific insert string from the supplied data diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 8f0a474b0..c1f6ccfe2 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -45,9 +45,7 @@ class CI_DB_odbc_driver extends CI_DB { // the character used to excape - not necessary for ODBC protected $_escape_char = ''; - // clause and character used for LIKE escape sequences protected $_like_escape_str = " {escape '%s'} "; - protected $_like_escape_chr = '!'; protected $_random_keyword; @@ -291,22 +289,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Truncate statement * * Generates a platform-specific truncate string from the supplied data diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 705b16560..0ffe3bc13 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -45,10 +45,6 @@ class CI_DB_pdo_driver extends CI_DB { // The character used to escaping protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword; public $trans_enabled = FALSE; diff --git a/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php index e287f5c63..efc0500a5 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php @@ -130,22 +130,6 @@ class CI_DB_pdo_4d_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php index 05eeacfe6..cb18a5c10 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php @@ -44,10 +44,6 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver { protected $_escape_char = '`'; - // clause and character used for LIKE escape sequences - not used in CUBRID - protected $_like_escape_str = ''; - protected $_like_escape_chr = '\\'; - protected $_random_keyword = ' RAND()'; /** @@ -183,6 +179,26 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver { return 'TRUNCATE '.$table; } + // -------------------------------------------------------------------- + + /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + } /* End of file pdo_cubrid_driver.php */ diff --git a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php index 7060c9eb9..2346e683e 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php @@ -153,22 +153,6 @@ class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php index c074a9a78..6fba764a9 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php @@ -139,22 +139,6 @@ class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php index 832c03c96..399182e12 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php @@ -165,22 +165,6 @@ class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php index a3efc63dc..028121540 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php @@ -159,22 +159,6 @@ class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php index 78afe246c..42446889a 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php @@ -44,10 +44,6 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { protected $_escape_char = '`'; - // clause and character used for LIKE escape sequences - not used in MySQL - protected $_like_escape_str = ''; - protected $_like_escape_chr = '\\'; - protected $_random_keyword = ' RAND()'; /** @@ -211,6 +207,26 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { return 'TRUNCATE '.$table; } + // -------------------------------------------------------------------- + + /** + * FROM tables + * + * Groups tables in FROM clauses if needed, so there is no confusion + * about operator precedence. + * + * @return string + */ + protected function _from_tables() + { + if ( ! empty($this->qb_join) && count($this->qb_from) > 1) + { + return '('.implode(', ', $this->qb_from).')'; + } + + return implode(', ', $this->qb_from); + } + } /* End of file pdo_mysql_driver.php */ diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php index 56ec1bce1..d584d1f5b 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php @@ -146,22 +146,6 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Insert_batch statement * * @param string the table name diff --git a/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php index 392754ff7..e7ab3fd50 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php @@ -46,7 +46,6 @@ class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver { protected $_escape_char = ''; // clause and character used for LIKE escape sequences - protected $_like_escape_chr = '!'; protected $_like_escape_str = " {escape '%s'} "; protected $_random_keyword = ' RAND()'; @@ -157,22 +156,6 @@ class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php index 9a476f143..2a687812a 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php @@ -142,22 +142,6 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php index f125b8f50..ee7c1d15a 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php @@ -182,22 +182,6 @@ class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 8c11c477b..2a91a8959 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -44,10 +44,6 @@ class CI_DB_postgre_driver extends CI_DB { protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' RANDOM()'; // database specific random keyword /** @@ -461,22 +457,6 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 19824dbbf..2744a63cf 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -45,10 +45,6 @@ class CI_DB_sqlite_driver extends CI_DB { // The character used to escape with - not needed for SQLite protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' Random()'; // database specific random keyword /** diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index cc35d319f..d03be15f5 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -46,10 +46,6 @@ class CI_DB_sqlite3_driver extends CI_DB { // The character used for escaping protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = ' ESCAPE \'%s\' '; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' RANDOM()'; /** @@ -288,25 +284,16 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @return string - */ - protected function _error_message() - { - return $this->conn_id->lastErrorMsg(); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @return int + * @return array */ - protected function _error_number() + public function error() { - return $this->conn_id->lastErrorCode(); + return array('code' => $this->conn_id->lastErrorCode(), 'message' => $this->conn_id->lastErrorMsg()); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index bda450e88..a6739d192 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -45,10 +45,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // The character used for escaping protected $_escape_char = '"'; - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - protected $_random_keyword = ' NEWID()'; // SQLSRV-specific properties @@ -362,22 +358,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param array - * @return string - */ - protected function _from_tables($tables) - { - return is_array($tables) ? implode(', ', $tables) : $tables; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data |